Versions of Iowa Code 123A.4 - Cancellation on LawServer 2024 Iowa Code 123A.4 – Cancellation 2023 Iowa Code 123A.4 – Cancellation 2022 Iowa Code 123A.4 – Cancellation 2020 Iowa Code 123A.4 – Cancellation 2018 Iowa Code 123A.4 – Cancellation 2016 Iowa Code 123A.4 – Cancellation 2014 Iowa Code 123A.4 – Cancellation. 2009 Iowa Code 123A.4 – Cancellation